1245405080 has 32 divisors (see below), whose sum is σ = 2803202640. Its totient is φ = 497976960.

The previous prime is 1245405061. The next prime is 1245405113. The reversal of 1245405080 is 805045421.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 166787 + ... + 174093.

Almost surely, 2^1245405080 is an apocalyptic number.

1245405080 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1245405080 is an abundant number, since it is smaller than the sum of its proper divisors (1557797560).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1245405080 is a wasteful number, since it uses less digits than its factorization.

1245405080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11579 (or 11575 counting only the distinct ones).

The product of its (nonzero) digits is 6400, while the sum is 29.

The square root of 1245405080 is about 35290.2972500941. The cubic root of 1245405080 is about 1075.8957970427.

The spelling of 1245405080 in words is "one billion, two hundred forty-five million, four hundred five thousand, eighty".